Liquid Crystal Polymer-Based Planar Lumped Component Dual-Band Filters For Dual-Band WLAN Systems

This paper presents the design and implementation of dual-band filters using lumped components that are completely embedded in a multi-layer organic process technology, which incorporates multiple liquid crystalline polymer (LCP) substrates. The paper presents the design methodology and measurement...

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Bibliographic Details
Main Authors: Bavisi, A., Swaminathan, M., Mina, E.
Format: Conference Proceeding
Language:English
Subjects:
Band pass filters
bandpass filters
Bandwidth
Crystallization
Design methodology
Dual band
Dual-band filters
Frequency
Insertion loss
LCP
Liquid crystal polymers
Passband
Wireless LAN
WLAN
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Summary:This paper presents the design and implementation of dual-band filters using lumped components that are completely embedded in a multi-layer organic process technology, which incorporates multiple liquid crystalline polymer (LCP) substrates. The paper presents the design methodology and measurement results of the small form factor fully-integrated filters that are directly applicable to WLAN systems. The fully-functional embodiments of single-input single-output filters were designed to have passbands with independently controllable bandwidths around the center frequencies of 2.4 GHz and 5.2 GHz. The filters present low insertion loss (-1.1 dB) and return loss better than 15 dB at both the frequencies. The fully-packaged filters were designed in an area of 5.1 times 5.3 mm 2 , providing a 5X reduction in area as compared to any previously reported works on dual-band filters
ISSN:2164-2958
2164-2974
DOI:10.1109/RWS.2007.351887